SA170ARL

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SA170ARL is a type of Transient Voltage Suppressor (TVS) diode that offers protection from current and voltage transients in electronic circuits. The diode is manufactured by Nexperia, a leading global semiconductor company. This component is designed for use in automotive, industrial and consumer applications.

A TVS diode is a special purpose Zener diode which has a low breakdown voltage and high peak power capability. It provides protection from voltage transients in the form of Electric Discharge Events, also known as Electrical Fast Transients (EFT) or Electrostatic Discharge (ESD). The diode is designed to quickly clamp high voltage spikes to a safe level, protecting delicate electronic components from damage.

SA170ARL is a unidirectional diode, which means it only passes current in one direction. The diode is designed to protect systems from high-energy transient events such as ESD, EFT and transients induced by load switching applications. It features a low clamp voltage of 17V, a peak pulse power rating of 400W and an operating temperature range of -65°C to 125°C.

The diode has a bidirectional configuration, which allows it to act as both a voltage and current protector in opposing directions. This means that the diode can protect from both over-current and under-voltage transients in both directions. The SA170ARL can also be configured in series as a pair, allowing for even greater protection from over-voltage and under-current conditions.

In order to work, the SA170ARL needs to be connected to a circuit as a Protection Circuit. The protection circuit is designed to reduce the peak voltage of the protection diode, while also maintaining a low forward voltage drop. This ensures that no damage is done to the diode during operation. The protection circuit also ensures that any transient currents are reduced before passing through the protection diode.

In conclusion, the Nexperia SA170ARL is a unidirectional TVS diode specially designed for automotive, industrial and consumer applications. It is designed to provide protection from over-voltage and under-voltage transients, as well as EFT and ESD peaks. The diode is connected to a protection circuit which ensures that no damage occurs to the diode during operation, and it also reduces any peak voltage before it passes through the diode. The protection circuit also reduces transient currents.

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